87378122 has 8 divisors (see below), whose sum is σ = 141149316. Its totient is φ = 40328352.

The previous prime is 87378103. The next prime is 87378139. The reversal of 87378122 is 22187378.

It can be written as a sum of positive squares in 2 ways, for example, as 86843761 + 534361 = 9319^2 + 731^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1680323 + ... + 1680374.

Almost surely, 2^87378122 is an apocalyptic number.

87378122 is a deficient number, since it is larger than the sum of its proper divisors (53771194).

87378122 is a wasteful number, since it uses less digits than its factorization.

87378122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3360712.

The product of its digits is 37632, while the sum is 38.

The square root of 87378122 is about 9347.6265436741. The cubic root of 87378122 is about 443.7457794481.

The spelling of 87378122 in words is "eighty-seven million, three hundred seventy-eight thousand, one hundred twenty-two".